520到小学四年级的递等式计算
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/08/08 03:05:18
520到小学四年级的递等式计算
![520到小学四年级的递等式计算](/uploads/image/z/5121003-3-3.jpg?t=520%E5%88%B0%E5%B0%8F%E5%AD%A6%E5%9B%9B%E5%B9%B4%E7%BA%A7%E7%9A%84%E9%80%92%E7%AD%89%E5%BC%8F%E8%AE%A1%E7%AE%97)
1.
340÷5+340÷5
=68+68
=136
2.
55×101-55+16×25
=55×(100+1)-55+400
=5500+55-55+400
=5900
3.
8421-277-623+579
=8421+579-(277+623)
=9000-900
=8100
4.
(364-456)-(544-636)
=364-456-544+636
=364+636-(456+544)
=1000-1000
=0
5.
62×4+44×5+5×18
=62×4+5×(44+18)
=62×4+5×62
=62(4+5)
=62*9
=558
6.
6200÷124
=50
7.
(7500÷15)÷(25×2)
=500÷50
=10
8.
3400-62×34-38×20-38×14
=3400-62×34-38(20+14)
=3400-62×34-38×34
=3400-34(62+38)
=3400-34*100
=3400-3400
=0
340÷5+340÷5
=68+68
=136
2.
55×101-55+16×25
=55×(100+1)-55+400
=5500+55-55+400
=5900
3.
8421-277-623+579
=8421+579-(277+623)
=9000-900
=8100
4.
(364-456)-(544-636)
=364-456-544+636
=364+636-(456+544)
=1000-1000
=0
5.
62×4+44×5+5×18
=62×4+5×(44+18)
=62×4+5×62
=62(4+5)
=62*9
=558
6.
6200÷124
=50
7.
(7500÷15)÷(25×2)
=500÷50
=10
8.
3400-62×34-38×20-38×14
=3400-62×34-38(20+14)
=3400-62×34-38×34
=3400-34(62+38)
=3400-34*100
=3400-3400
=0